jordan graham has pleaded not guilty to charges of first-degree murder, second-degree murder and making a false statement to authorities in the death of cody johnson. prosecutors say that the 22-year-old graham and the 25-year-old johnson had been married for eight days when they argued over her doubts about the marriage. federal prosecutors will attempt to convince jurors that graham deliberately pushed johnson to his death now to the latest on the worldwide mourning of nelson mandela. yesterday marked the beginning of one week of memorial events honoring the former south african president. flowers and memorabilia have been set up all acrossh africa. mandela died late thursday at the age of 95 wednesday and thursday, mandela's body will lie in state in pretoria. a state funeral is planned for sunday. president obama and the first lady leave today to join the dozens of dignitaries honoring mandela tomorrow in south africa. a south african soccer stadium that holds nearly 100,000, will serve as the backdrop for a national memorial service for the anti-apartheid icon. former presidents ge